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Superficial dissection of the right side of the neck, showing the carotid and subclavian arteries. At the lower part of the neck, the common carotid artery is very deeply seated, being covered by the integument, superficial fascia, the platysma muscle, deep cervical fascia, the sternocleidomastoid muscle, the sternohyoid, sternothyroid, and the ...
The condition and health of the external carotid arteries is usually evaluated using Doppler ultrasound, CT angiogram or phase contrast magnetic resonance imaging (PC-MRI). Typically, blood flow velocities in the external carotid artery are measured as peak systolic velocity (PSV) and end diastolic velocity (EDV).
Anterior ciliary arteries; Anterior communicating artery; Anterior ethmoidal artery; Anterior inferior cerebellar artery; Anterior spinal artery; Anterior superior alveolar artery; Anterior tympanic artery; Anterolateral central arteries; Artery of Percheron; Artery of the pterygoid canal; Ascending palatine artery; Ascending pharyngeal artery
The carotid sheath is a condensation of the deep cervical fascia [1]: 578 enveloping multiple vital neurovascular structures of the neck, [2] including the common and internal carotid arteries, the internal jugular vein, the vagus nerve (CN X), and ansa cervicalis. [1]: 578 [2] The carotid sheath helps protects the structures contained therein. [2]
Typically, the vertebral arteries originate from the subclavian arteries. Each vessel courses superiorly along each side of the neck, merging within the skull to form the single, midline basilar artery. As the supplying component of the vertebrobasilar vascular system, the vertebral arteries supply blood to the upper spinal cord, brainstem ...
The brachiocephalic artery sends blood from the heart to the right arm, head, and neck. [8] Oxygenated blood from the aortic trunk is taken through the brachiocephalic artery into the right subclavian artery, which transports blood to the right arm, and into the right common carotid artery, where blood is transported to the head and neck. [9]
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It descends on the posterior aspect of the neck, and divides into a superficial and deep portion. The superficial portion supplies the trapezius muscle and anastomoses with the ascending branch of the transverse cervical. The deep portion anastomoses with the vertebral artery and with the a. profunda cervicalis, a branch of the costocervical trunk.